Table 3.
Comparison of the demographics between the 2 groups
| Traditional | Enhanced | p-value | |
|---|---|---|---|
| (n = 3,000) | (n = 1,500) | Chi-squared test | |
| Age (years) | 69 | 68 | |
| THR | 1,368 | 630 | |
| TKR | 1,632 | 870 | |
| Gender (M:F) | 1,482:1,518 | 711:789 | 0.2 |
| Comorbidities | |||
| Hypertension | 921 (31%) | 673 (45%) | < 0.001 |
| AF | 143 (5%) | 84 (6%) | 0.2 |
| IHD | 211 (7%) | 113 (8%) | 0.5 |
| IDDM | 20 (1%) | 18 (1%) | 0.07 |
| NIDDM | 205 (7%) | 150 (10%) | < 0.001 |
| COPD | 85 (3%) | 67 (4%) | 0.004 |
| Alzheimer | 6 (0.2%) | 5 (0.3%) | 0.4 |
AF: atrial fibrillation; IHD: ischemic heart disease; IDDM: insulin-dependent diabetes mellitus; NIDDM: non-insulin-dependent diabetis mellitus; COPD: chronic obstructive pulmonary disease.